X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/7688c6ba71852cd89123b62b2d57683535e4702a..6e54d1cc889fd70eca54701860d695634b28a075:/wp-admin/includes/import.php

diff --git a/wp-admin/includes/import.php b/wp-admin/includes/import.php
index 9835bb14..c323cdd0 100644
--- a/wp-admin/includes/import.php
+++ b/wp-admin/includes/import.php
@@ -1,11 +1,36 @@
 <?php
+/**
+ * WordPress Administration Importer API.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
 
+/**
+ * Retrieve list of importers.
+ *
+ * @since 2.0.0
+ *
+ * @return array
+ */
 function get_importers() {
 	global $wp_importers;
-	uasort($wp_importers, create_function('$a, $b', 'return strcmp($a[0], $b[0]);'));
+	if ( is_array($wp_importers) )
+		uasort($wp_importers, create_function('$a, $b', 'return strcmp($a[0], $b[0]);'));
 	return $wp_importers;
 }
 
+/**
+ * Register importer for WordPress.
+ *
+ * @since 2.0.0
+ *
+ * @param string $id Importer tag. Used to uniquely identify importer.
+ * @param string $name Importer name and title.
+ * @param string $description Importer description.
+ * @param callback $callback Callback to run.
+ * @return WP_Error Returns WP_Error when $callback is WP_Error.
+ */
 function register_importer( $id, $name, $description, $callback ) {
 	global $wp_importers;
 	if ( is_wp_error( $callback ) )
@@ -13,12 +38,34 @@ function register_importer( $id, $name, $description, $callback ) {
 	$wp_importers[$id] = array ( $name, $description, $callback );
 }
 
+/**
+ * Cleanup importer.
+ *
+ * Removes attachment based on ID.
+ *
+ * @since 2.0.0
+ *
+ * @param string $id Importer ID.
+ */
 function wp_import_cleanup( $id ) {
 	wp_delete_attachment( $id );
 }
 
+/**
+ * Handle importer uploading and add attachment.
+ *
+ * @since 2.0.0
+ *
+ * @return array
+ */
 function wp_import_handle_upload() {
+	if ( !isset($_FILES['import']) ) {
+		$file['error'] = __( 'File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your php.ini or by post_max_size being defined as smaller than upload_max_filesize in php.ini.' );
+		return $file;
+	}
+
 	$overrides = array( 'test_form' => false, 'test_type' => false );
+	$_FILES['import']['name'] .= '.txt';
 	$file = wp_handle_upload( $_FILES['import'], $overrides );
 
 	if ( isset( $file['error'] ) )